549886 has 4 divisors (see below), whose sum is σ = 824832. Its totient is φ = 274942.

The previous prime is 549883. The next prime is 549911. The reversal of 549886 is 688945.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×549886² = 604749225992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137470 + ... + 137473.

It is an arithmetic number, because the mean of its divisors is an integer number (206208).

2⁵⁴⁹⁸⁸⁶ is an apocalyptic number.

549886 is a deficient number, since it is larger than the sum of its proper divisors (274946).

549886 is a wasteful number, since it uses less digits than its factorization.

549886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274945.

The product of its digits is 69120, while the sum is 40.

The square root of 549886 is about 741.5429859422. The cubic root of 549886 is about 81.9264659038.

The spelling of 549886 in words is "five hundred forty-nine thousand, eight hundred eighty-six".